<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id= --> <head> <title>Test for Bug </title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> <script type="application/javascript"> /** Test for Bug **/ var f = document.createElement("iframe"); document.body.appendChild(f); var win = f.contentWindow; // Set location once to make sure it's resolved win.location = "data:text/html,1"; // Now try to make the location object go away. f.parentNode.removeChild(f); // Check that location is now null. If it's not, the test needs changing // (e.g. to use window.close() so that it's null). is("location" in win, true, "Should still have a location property"); is(win.location, null, "There should be no location object now"); // Just set the location. This should not crash but throw an exception. var noException; try { win.location = "data:text/html,2"; noException = true; } catch(e) { noException = false; } todo(noException, "Shouldn't throw when setting location."); // And check that we didn't override the slot in the process. is(typeof(win.location), "object", "Location should not have become a string"); is(win.location, null, "There should be no location object for real after the set"); </script> </pre> </body> </html>